Mathematics, 03.11.2019 10:31, andrewmena05

Event tickets cost $20 each. a student ordered some tickets online. there was a service charge of $2.50 per ticket. the total cost was $540.
(a) write a function rule for the cost of n number of tickets.
(b) how many tickets did the student order?
answer both, .

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Event tickets cost $20 each. a student ordered some tickets online. there was a service charge of $2...